TY - JOUR AU - P. O'Hare AU - I. Tomaszkiewicz AU - H. Seifert C2 - Journal of the Materials Research Society DA - 1997-12-01 LA - en M1 - 12 PB - Journal of the Materials Research Society PY - 1997 TI - The standard molar enthalpies of formation of α Si3N4 and β Si3N4 by combustion calorimetry in fluorine, and the enthalpy of the α-to-β transition at the temperature 298.15 K ER -